27491642 has 8 divisors (see below), whose sum is σ = 41500596. Its totient is φ = 13658112.

The previous prime is 27491621. The next prime is 27491671. The reversal of 27491642 is 24619472.

It can be written as a sum of positive squares in 2 ways, for example, as 27447121 + 44521 = 5239^2 + 211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×27491642³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43463 + ... + 44090.

Almost surely, 2^27491642 is an apocalyptic number.

27491642 is a deficient number, since it is larger than the sum of its proper divisors (14008954).

27491642 is a wasteful number, since it uses less digits than its factorization.

27491642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87712.

The product of its digits is 24192, while the sum is 35.

The square root of 27491642 is about 5243.2472762592. The cubic root of 27491642 is about 301.8099545510.

The spelling of 27491642 in words is "twenty-seven million, four hundred ninety-one thousand, six hundred forty-two".